/Engine/Source/Editor/ContentBrowser/Public/AssetViewTypes.h
Updates cached custom column data (only does something for files)
void CacheCustomColumns ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FAssetViewCustomColumn](API\Editor\ContentBrowser\FAssetViewCustomColumn) > CustomColumns, const bool bUpdateSortData, const bool bUpdateDisplayText, const bool bUpdateExisting )